package com.fbd.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.fbd.common.R;
import com.fbd.entity.Employee;
import com.fbd.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /**
     * 员工登陆
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){

        String password = employee.getPassword();
        // 1、将密码通过MD5加密
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        // 2、根据页面提交的username查找是否存在
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        // 3、如果没有查询到结果
        if(emp == null) {
            return R.error("登陆失败");
        }
        //  4、密码比对，如果输入的密码与数据库不一致
        if(!emp.getPassword().equals(password)){
            return R.error("登陆失败");
        }
        // 5、查看员工状态
        if (emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        // 6、登陆成功
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }
    /**
     *  员工退出
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee){
        //设置初始密码"123456"
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//
//
//        //获得当前登陆用户的ID
//        Long empId = (Long) request.getSession().getAttribute("employee");
//
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("添加员工成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);

        //构造分页构造器
        Page pageInfo = new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        Long empId = (Long)request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("修改成功");
    }
    @GetMapping("/{id}")
    public R<Employee> getByid(@PathVariable Long id){
        Employee employee = employeeService.getById(id);
        return R.success(employee);
    }
}
